# Congress.gov API

**Canonical:** https://apis.io/apis/public-sector/congressgov-api/  
**Provider:** Public Sector — https://apis.io/providers/public-sector/  
**Base URL:** https://api.congress.gov/v3  
**Documentation:** https://api.congress.gov

Congress.gov API is one of 21 APIs that [Public Sector](https://apis.io/providers/public-sector/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Federal, Legislative, Congress, Library of Congress, and api.data.gov. The published artifact set on APIs.io includes API documentation, a GitHub repository, and authentication docs.

The api.congress.gov REST API, maintained by the Library of Congress, exposes structured legislative data — bills, amendments, summaries, members, committees, committee reports, congressional record, nominations, treaties, and congresses. Auth via api.data.gov key. The canonical programmatic feed for the U.S. House and Senate replacing the legacy congress.gov RSS / XML downloads.

## Machine-readable artifacts (5)

- **Portal** — https://api.congress.gov
- **Documentation** — https://github.com/LibraryOfCongress/api.congress.gov/
- **GitHubOrganization** — https://github.com/LibraryOfCongress
- **GitHubRepository** — https://github.com/LibraryOfCongress/api.congress.gov
- **Authentication** — https://api.data.gov/signup/

## Other Public Sector APIs (12)

- [api.data.gov](https://apis.io/apis/public-sector/apidatagov/)
- [data.gov (CKAN catalog)](https://apis.io/apis/public-sector/datagov-ckan-catalog/)
- [Regulations.gov API](https://apis.io/apis/public-sector/regulationsgov-api/)
- [Federal Register API](https://apis.io/apis/public-sector/federal-register-api/)
- [GovInfo API](https://apis.io/apis/public-sector/govinfo-api/)
- [SAM.gov APIs](https://apis.io/apis/public-sector/samgov-apis/)
- [USAspending.gov API](https://apis.io/apis/public-sector/usaspendinggov-api/)
- [Treasury Fiscal Data API](https://apis.io/apis/public-sector/treasury-fiscal-data-api/)
- [FEC openFEC API](https://apis.io/apis/public-sector/fec-openfec-api/)
- [api.weather.gov (NOAA NWS)](https://apis.io/apis/public-sector/apiweathergov-noaa-nws/)
- [api.nasa.gov](https://apis.io/apis/public-sector/apinasagov/)
- [Census Data API](https://apis.io/apis/public-sector/census-data-api/)

## Tags

Federal, Legislative, Congress, Library of Congress, api.data.gov

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/public-sector/congressgov-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/public-sector/.